Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than ban den snippets" » "thanh ban den snippets", "toan ban den snippets", "than man den snippets", "than ban dan snippets", "than quan den snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("than ban den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than ban den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than ban den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than ban den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.